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#2424303 - 12/27/17 08:30 AM 0-w40 oil question
AeroMonte Offline
master

Registered: 11/27/03
Posts: 5806
Loc: S.E. Missouri
I read somewhere that I should not be using 0-W40 oil as recommended by Mopar in our Hellcat and Demon cars. Now I can't find the article back. Wouldn't this void the warranty if I don't? The article said there were several engine failures because of this oil and I really don't want to chance it if it is true. Looking for insight from those smarter than me.

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#2424337 - 12/27/17 09:42 AM Re: 0-w40 oil question [Re: AeroMonte]
A39Coronet Offline
enthusiast

Registered: 12/18/16
Posts: 324
Loc: Usa
What does the manufacturer recommend? Anyone else doesn't matter, as they didn't design the engine and are likely going off of some sort of archaic information.

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#2424371 - 12/27/17 11:01 AM Re: 0-w40 oil question [Re: AeroMonte]
AeroMonte Offline
master

Registered: 11/27/03
Posts: 5806
Loc: S.E. Missouri
Manufacturer says 0-W40, but if there are issues I want to know

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#2424382 - 12/27/17 11:24 AM Re: 0-w40 oil question [Re: AeroMonte]
A39Coronet Offline
enthusiast

Registered: 12/18/16
Posts: 324
Loc: Usa
If there were issues, Mopar/Dodge would be the first to know, and the first to let customers know. Engineers came up with the oil recommendations for a reason.

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#2424411 - 12/27/17 12:22 PM Re: 0-w40 oil question [Re: A39Coronet]
sixpackgut Offline
Drag Week Mod Champion

Registered: 06/08/03
Posts: 9080
Loc: Charleston
Originally Posted By A39Coronet
If there were issues, Mopar/Dodge would be the first to know, and the first to let customers know. Engineers came up with the oil recommendations for a reason.


Better fuel milage. Thats it. The only reason OEM's require 0 weight oil. Blame it on the govt
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#2424437 - 12/27/17 12:54 PM Re: 0-w40 oil question [Re: AeroMonte]
A39Coronet Offline
enthusiast

Registered: 12/18/16
Posts: 324
Loc: Usa
Oh I don't doubt that one bit...but I'm sure these engine was designed with those restrictions in mind.

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#2424439 - 12/27/17 12:55 PM Re: 0-w40 oil question [Re: AeroMonte]
HotRodDave Offline
master

Registered: 01/29/05
Posts: 9874
Loc: Kalispell Mt.
the much tighter tollerances in the modern engines is why they need 0 weight, the thicker it gets the more it is like glue with that tight and precise of a tollerance. MPG on a demon or even a hellcat is insignificant. If they thought it was going to destroy and engine with that 60K warranty and they could solve it by recomending 5 or 10 weight they would be all over it.
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#2424567 - 12/27/17 04:41 PM Re: 0-w40 oil question [Re: AeroMonte]
EagleDuster Offline
member

Registered: 12/26/17
Posts: 24
Loc: Northern Colorado
I would be more concerned with voiding the warranty than blowing up my engine while it's still under said warranty... Dealers will try to find any stupid little reason to deny a warranty repair. I know there was a guy on YouTube with a Hellcat Charger, something broke in the supercharger system and his dealer refused to fix the car under warranty because he had an aftermarket cold-air intake. He finally did get it fixed for free but not after a whole bunch of legal BS getting second and third opinions and communicating directly with FCA on the issue which took a few months IIRC.
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#2429631 - 01/05/18 06:32 PM Re: 0-w40 oil question [Re: EagleDuster]
mike s Offline
top fuel

Registered: 01/07/07
Posts: 1655
Loc: Mi,U.S.A.
I would not use any oil that was not factory fill. The oil was formulated specifically for the engines. Very different oil than reg syn.
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#2429666 - 01/05/18 07:55 PM Re: 0-w40 oil question [Re: sixpackgut]
Supercuda Offline
I Live Here

Registered: 09/04/07
Posts: 13835
Loc: up yours
Originally Posted By sixpackgut
Originally Posted By A39Coronet
If there were issues, Mopar/Dodge would be the first to know, and the first to let customers know. Engineers came up with the oil recommendations for a reason.


Better fuel milage. Thats it. The only reason OEM's require 0 weight oil. Blame it on the govt


The ignorance in this statement is overwhelming and a prime example of why the OP should listen to the manufacturer and not some internet clown.

Do you even know what 0w40 means?

No, you do not.

Educate yourself

http://www.upmpg.com/tech_articles/motoroil_viscosity/
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They say there is always the exception that proves the rule.
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#2429984 - 01/06/18 12:14 PM Re: 0-w40 oil question [Re: AeroMonte]
racerhog Offline
enthusiast

Registered: 02/03/08
Posts: 358
Loc: Monrovia, So-Cal, USA
Ouch.. Hot Rod Dave it the nail on the head...tolerances...
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